package com.itheima.reggie.service.impl;

import com.itheima.reggie.common.CustomException;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.mapper.CategoryMapper;
import com.itheima.reggie.service.CategoryService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class CategoryServiceImpl implements CategoryService{
    @Autowired
    CategoryMapper categoryMapper;

    @Override
    public int save(Category category){
        return categoryMapper.save(category);
    };
    @Override
    public List<Category> getPageInfo(){
        return categoryMapper.getPageInfo();
    };
    @Override
    public int removeById(Long id){
        return categoryMapper.removeById(id);
    };
    @Override
    public int updateById(Category category){
        return categoryMapper.updateById(category);
    };

    @Override
    public List<Category> getCategoryName(Category category){return categoryMapper.getCategoryName(category);};

//    @Autowired
//    private DishService dishService;
//
//    @Autowired
//    private SetmealService setmealService;
//
//    /**
//     * 根据id删除分类，删除之前需要进行判断
//     * @param id
//     */
//    @Override
//    public void remove(Long id) {
//        LambdaQueryWrapper<Dish> dishLambdaQueryWrapper = new LambdaQueryWrapper<>();
//        //添加查询条件，根据分类id进行查询
//        dishLambdaQueryWrapper.eq(Dish::getCategoryId,id);
//        int count1 = dishService.count(dishLambdaQueryWrapper);
//
//        //查询当前分类是否关联了菜品，如果已经关联，抛出一个业务异常
//        if(count1 > 0){
//            //已经关联菜品，抛出一个业务异常
//            throw new CustomException("当前分类下关联了菜品，不能删除");
//        }
//
//        //查询当前分类是否关联了套餐，如果已经关联，抛出一个业务异常
//        LambdaQueryWrapper<Setmeal> setmealLambdaQueryWrapper = new LambdaQueryWrapper<>();
//        //添加查询条件，根据分类id进行查询
//        setmealLambdaQueryWrapper.eq(Setmeal::getCategoryId,id);
//        int count2 = setmealService.count();
//        if(count2 > 0){
//            //已经关联套餐，抛出一个业务异常
//            throw new CustomException("当前分类下关联了套餐，不能删除");
//        }
//
//        //正常删除分类
//        super.removeById(id);
//    }
}
